public void AddTrackBar(ListViewItem item) { TrackBar tb = new TrackBar(); tb.Minimum = 0; tb.Maximum = 255; tb.TickFrequency = 10; tb.AutoSize = false; tb.TickStyle = System.Windows.Forms.TickStyle.TopLeft; try { tb.Value = Convert.ToInt32(item.SubItems[3].Text); } catch { tb.Value = 0; } //RSSIListView.Items.Add(item); tb.ValueChanged += new EventHandler(tb_ValueChanged); RSSIListView.AddTBEmbeddedControl(tb, 3, item.Index); }